Quick release connecting device

ABSTRACT

A quick release connecting device includes an actuating retainer and a fixing member movably assembled to the actuating retainer. The fixing member includes a pivot portion and a pivot member movably mounted to the pivot portion; and the pivot member is coupled with a second object. The fixing member includes a limiting section and the pivot member includes a corresponding limiting section, such that the limiting section and the corresponding limiting section limit or stop each other at a specific location when the fixing member is moved or rotated. With these arrangements, the quick release connecting device can be applied to conveniently and repeatedly connect and separate a circuit board, a drawer, or a window to and from a corresponding rack, chassis, cabinet or window frame.

CROSS-REFERENCE TO RELATED APPLICATION

This application is a continuation-in-part patent application of U.S.application Ser. No. 16/224,841 filed on Dec. 19, 2018, the entirecontents of which are hereby incorporated by reference for whichpriority is claimed under 35 U.S.C.

BACKGROUND OF THE INVENTION 1. Field of the Invention

The present invention relates to a quick release connecting device, andmore particularly, to a quick release connecting device that enablesconvenient and repeated assembling and separation of a circuit board, adrawer, or a window to and from a corresponding rack, chassis, cabinetor window frame.

2. Description of the Related Art

To enable convenient assembling and fastening of a circuit board to arack, and to enable easy disassembling of the circuit board from therack when necessary, a quick release mechanism is usually provided onthe circuit board or the rack. Various types of quick release mechanismsare known, and each type of circuit board has a corresponding quickrelease mechanism designed for it. To enable two mating objects, such asthe circuit board and the rack, to be repeatedly assembled to andseparated from each other in a quick and convenient manner, it isdesirable to develop an improved quick release connecting device thatincludes means to assist in pushing away a first one of the two matingobjects, so that the second object can be easily pulled out of the firstobject.

BRIEF SUMMARY OF THE INVENTION

In view that the prior art quick release mechanisms are not perfect foruse, it is tried by the inventor to develop an improved quick releaseconnecting device to enable convenient and repeated assembling andseparation of a circuit board, a drawer, a window, etc. to and from acorresponding rack, chassis, cabinet, window frame, etc.

A primary object of the present invention is to provide a quick releaseconnecting device that includes an actuating retainer and a fixingmember limitedly movably assembled to each other, so that a secondobject, such as a circuit board, a drawer or a window, detachablyconnected to a first object, such as a rack, a chassis, a cabinet or awindow frame, via the actuating retainer and the fixing member can beconveniently and repeatedly assembled to and separated from each other.

To achieve the above and other objects, the quick release connectingdevice according to a preferred embodiment of the present inventionincludes an actuating retainer having an internal receiving space and aretaining section for detachably engaging with a first object; a fixingmember including a body portion movably associated with the receivingspace and a pivot portion formed on the body portion for detachablyconnecting with a second object; and pin connection means connecting thebody portion to the receiving space for the actuating retainer and thefixing member to move relative to each other within a limited range. Or,according to another operable embodiment, the actuating retainerincludes at least one first push section, a body portion, and aretaining section for detachably engaging with a first object; thefixing member internally defines a receiving space and includes a pivotportion formed on an outer side of the receiving space; the body portionof the actuating retainer is movably received in the receiving space ofthe fixing member, and the pivot portion is used to movably connect to asecond object; and the pin connection means enables connection of thereceiving space of the fixing member to the body portion of theactuating retainer, such that the actuating retainer and the fixingmember are movable relative to each other within a limited range.Further, the fixing member includes a second push section having a firstpush part or a second push part; the first push part or the second pushpart is able to push against a third object; and the push of the secondpush section against the third object causes a lever displacement, arotational displacement, or a limiting displacement of the quick releaseconnecting device, so as to release, fasten, forward move or backwardmove the quick release connecting device.

To achieve the above and other objects, the quick release connectingdevice according to another preferred embodiment of the presentinvention includes an actuating retainer and a fixing member movablyassembled to the actuating retainer. The fixing member includes a pivotportion and a pivot member movably mounted to the pivot portion; and thepivot member is coupled with a second object.

In the quick release connecting device according to the other preferredembodiment of the present invention, the fixing member can include alimiting section and the pivot member can include a correspondinglimiting section, such that the limiting section and the correspondinglimiting section limit or stop each other at a specific location whenthe fixing member is moved or rotated.

In the quick release connecting device according to the other preferredembodiment of the present invention, the pivot member or the pivotportion can include a shaft. The shaft can be movably assembled to thepivot member or the pivot portion, integrally formed with the pivotmember or the pivot portion, or fixedly assembled to the pivot member orthe pivot portion. And, the pivot member, the pivot portion or thefixing member is connected to the shaft via a second pin connectionmeans in the case the shaft is assembled to the pivot member or thepivot portion.

In the quick release connecting device according to the other preferredembodiment of the present invention, the fixing member, the pivotportion or the pivot member can have an elastic element fitted thereon.Two ends of the elastic element are separately pressed against the pivotmember and the fixing member of the quick release connecting device orseparately pressed against the fixing member of the quick releaseconnecting device and the second object, such that the fixing memberunder a spring force of the elastic element is either automaticallysprung back to its original position or limited to a fixed position.

In the quick release connecting device according to the other preferredembodiment of the present invention, the fixing member can include alimiting section and the second object can include a correspondinglimiting section, such that the limiting section and the correspondinglimiting section limit or stop each other at a specific location whenthe fixing member is moved or rotated.

In the quick release connecting device according to the other preferredembodiment of the present invention, the pivot member can have aweldable surface, which can be heated and welded to the second object.

In the quick release connecting device according to the other preferredembodiment of the present invention, the pivot member can have a portionthat is deformable under an external force applied thereto, so that thedeformed portion of the pivot member is abutted on or interfered withthe second object.

In the quick release connecting device according to the other preferredembodiment of the present invention, an elastic member, afriction-increasing member or a friction-decreasing member can befurther provided. The elastic member, the friction-increasing member orthe friction-decreasing member can be disposed between the fixing memberand the pivot portion, between the fixing member and the pivot member,between the pivot portion and the second object, between the pivotportion and the pivot member, between pivot member and the secondobject, or between the fixing member and the second object.

To achieve the above and other objects, the quick release connectingdevice according to a further preferred embodiment of the presentinvention includes an actuating retainer and a fixing member movablyassembled to the actuating retainer. The fixing member includes a pivotportion and a pivot member movably mounted to the pivot portion; and thepivot member is coupled with a second object. The pivot portion or thepivot member includes a shaft, and the shaft can be movably assembled tothe pivot member or the pivot portion, integrally formed with the pivotmember or the pivot portion, or fixedly assembled to the pivot member orthe pivot portion.

In the quick release connecting device according to the furtherpreferred embodiment of the present invention, the fixing member caninclude a limiting section and the pivot member can include acorresponding limiting section; such that the limiting section and thecorresponding limiting section limit or stop each other at a specificlocation when the fixing member is moved or rotated.

In the quick release connecting device according to the furtherpreferred embodiment of the present invention, the pivot member, thepivot portion or the fixing member can be connected to the shaft via asecond pin connection means in the case the shaft is assembled to thepivot member or the pivot portion.

In the quick release connecting device according to the furtherpreferred embodiment of the present invention, the fixing member, thepivot portion or the pivot member can have an elastic element fittedthereon. Two ends of the elastic element are separately pressed againstthe pivot member and the fixing member of the quick release connectingdevice or separately pressed against the fixing member of the quickrelease connecting device and the second object, such that the fixingmember under a spring force of the elastic element is eitherautomatically sprung back to its original position or limited to a fixedposition.

In the quick release connecting device according to the furtherpreferred embodiment of the present invention, the fixing member caninclude a limiting section and the second object can include acorresponding limiting section, such that the limiting section and thecorresponding limiting section limit or stop each other at a specificlocation when the fixing member is moved or rotated.

In the quick release connecting device according to the furtherpreferred embodiment of the present invention, the pivot member can havea weldable surface, which can be heated and welded to the second object.

In the quick release connecting device according to the furtherpreferred embodiment of the present invention, the pivot member can havea portion that is deformable under an external force applied thereto, sothat the deformed portion of the pivot member is abutted on orinterfered with the second object.

In the quick release connecting device according to the furtherpreferred embodiment of the present invention, an elastic member, afriction-increasing member or a friction-decreasing member can befurther provided. The elastic member, the friction-increasing member orthe friction-decreasing member can be disposed between the fixing memberand the pivot portion, between the fixing member and the pivot member,between the pivot portion and the second object, between the pivotportion and the pivot member, between pivot member and the secondobject, or between the fixing member and the second object.

To achieve the above and other objects, the quick release connectingdevice according to a still further preferred embodiment of the presentinvention includes an actuating retainer and a fixing member movablyassembled to the actuating retainer. The fixing member includes a pivotportion and a pivot member movably mounted to the pivot portion. Afloating amount is allowable between the quick release connecting deviceand the second object, between the pivot portion and the pivot member,between the fixing member and the second object, between the fixingmember and the pivot member, or between different angular positions ofthe fixing member.

In the quick release connecting device according to the still furtherpreferred embodiment of the present invention, the fixing member caninclude a limiting section and the pivot member can include acorresponding limiting section, such that the limiting section and thecorresponding limiting section limit or stop each other at a specificlocation when the fixing member is moved or rotated.

In the quick release connecting device according to the still furtherpreferred embodiment of the present invention, the pivot member or thepivot portion can include a shaft. The shaft can be movably assembled tothe pivot member or the pivot portion, integrally formed with the pivotmember or the pivot portion, or fixedly assembled to the pivot member orthe pivot portion. And, the pivot member, the pivot portion or thefixing member can be connected to the shaft via a second pin connectionmeans in the case the shaft is assembled to the pivot member or thepivot portion.

In the quick release connecting device according to the still furtherpreferred embodiment of the present invention, the fixing member, thepivot portion or the pivot member can have an elastic element fittedthereon. Two ends of the elastic element are separately pressed againstthe pivot member and the fixing member of the quick release connectingdevice or separately pressed against the fixing member of the quickrelease connecting device and the second object, such that the fixingmember under a spring force of the elastic element is eitherautomatically sprung back to its original position or limited to a fixedposition.

In the quick release connecting device according to the still furtherpreferred embodiment of the present invention, the pivot portion or thepivot member can include a shaft, and the shaft can be movably assembledto the pivot portion or the pivot member, integrally formed with thepivot portion or the pivot member, or fixedly assembled to the pivotmember or the pivot portion.

In the quick release connecting device according to the still furtherpreferred embodiment of the present invention, the fixing member caninclude a limiting section and the second object can include acorresponding limiting section, such that the limiting section and thecorresponding limiting section limit or stop each other at a specificlocation when the fixing member is moved or rotated.

In the quick release connecting device according to the still furtherpreferred embodiment of the present invention, the pivot member can havea weldable surface, which can be heated and welded to the second object.

In the quick release connecting device according to the still furtherpreferred embodiment of the present invention, the pivot member can havea portion that is deformable under an external force applied thereto, sothat the deformed portion of the pivot member is abutted on orinterfered with the second object.

In the quick release connecting device according to the still furtherpreferred embodiment of the present invention, an elastic member, afriction-increasing member or a friction-decreasing member can befurther provided. The elastic member, the friction-increasing member orthe friction-decreasing member can be disposed between the fixing memberand the pivot portion, between the fixing member and the pivot member,between the pivot portion and the second object, between the pivotportion and the pivot member, between pivot member and the secondobject, or between the fixing member and the second object.

In the quick release connecting device according to the still furtherpreferred embodiment of the present invention, the floating amountallowable between the quick release connecting device and the secondobject, between the pivot portion and the pivot member, between thefixing member and the second object, between the fixing member and thepivot member, or between different angular positions of the fixingmember can be a vertically pivotal floating amount.

In the quick release connecting device according to the still furtherpreferred embodiment of the present invention, the floating amountallowable between the quick release connecting device and the secondobject, between the pivot portion and the pivot member, between thefixing member and the second object, between the fixing member and thepivot member, or between different angular positions of the fixingmember can be a horizontally pivotal floating amount.

In the quick release connecting device according to the still furtherpreferred embodiment of the present invention, the floating amountallowable between the quick release connecting device and the secondobject, between the pivot portion and the pivot member, between thefixing member and the second object, between the fixing member and thepivot member, or between different angular positions of the fixingmember can be a vertically linear floating amount.

In the quick release connecting device according to the still furtherpreferred embodiment of the present invention, the floating amountallowable between the quick release connecting device and the secondobject, between the pivot portion and the pivot member, between thefixing member and the second object, between the fixing member and thepivot member, or between different angular positions of the fixingmember can be a horizontally linear floating amount.

To use the quick release connecting device of the present invention,first movably connect the pivot portion of the fixing member to thesecond object, such as a circuit board, a drawer or a window. Since theactuating retainer and the fixing member are movably assembled to eachother, at least one of them can be quickly detachably engaged with atleast a first object, such as a chassis, a rack, a cabinet or a windowframe. More specifically, the retaining section of the actuatingretainer and/or the second push section of the fixing member can bequickly detachably engaged with the first object to thereby quicklyconnect the second object to the first object. On the other hand, toseparate the second object from the first object, simply push the firstpush section for the retaining section to disengage from the firstobject and pivotally turn the fixing member for the second push sectionto push away the first object, and the second object is easily separatedfrom the first object. Therefore, with the quick release connectingdevice of the present invention, the second object can be repeatedlyquickly assembled to and separated from the first object.

BRIEF DESCRIPTION OF THE DRAWINGS

The structure and the technical means adopted by the present inventionto achieve the above and other objects can be best understood byreferring to the following detailed description of the preferredembodiments and the accompanying drawings, wherein

FIG. 1 is an assembled perspective view of a quick release connectingdevice according to a first preferred embodiment of the presentinvention.

FIG. 2 is an exploded view of FIG. 1.

FIG. 3 is a partially sectioned front view of FIG. 1.

FIG. 4 is a sectional view taken along line A-A of FIG. 3.

FIG. 5 is an assembled front view of a first variant of the quickrelease connecting device according to the first preferred embodiment ofthe present invention, showing it further includes a hand push section.

FIG. 6 is an assembled perspective view of a second variant of the firstpreferred embodiment of the present invention.

FIG. 7 is an exploded view of FIG. 6.

FIG. 8 is a partially sectioned front view of FIG. 6.

FIG. 9 is a partially sectioned front view of a third variant of thefirst preferred embodiment of the present invention, showing two firstpush sections are included in the quick release connecting device.

FIG. 10 is an assembled partially sectioned front view of a quickrelease connecting device according to a second preferred embodiment ofthe present invention.

FIG. 11 is an assembled perspective view of the quick release connectingdevice according to the second preferred embodiment of the presentinvention.

FIG. 12 is an assembled partially sectioned front view of a variant ofthe second preferred embodiment of the present invention, showing anelastic plate and a different retaining section are included in thequick release connecting device.

FIG. 13A shows the quick release connecting device according to thefirst preferred embodiment of the present invention is connected to twoobjects and can be operated to quickly release the two objects from eachother.

FIG. 13B shows the quick release connecting device according to thefirst preferred embodiment of the present invention is connected to twoobjects and can be operated to quickly release the two objects from eachother.

FIG. 13C shows the quick release connecting device according to thefirst preferred embodiment of the present invention is connected to twoobjects and can be operated to quickly release the two objects from eachother.

FIG. 13D shows the quick release connecting device according to thefirst preferred embodiment of the present invention is connected to twoobjects and can be operated to quickly release the two objects from eachother.

FIG. 14A shows the quick release connecting device according to thesecond preferred embodiment of the present invention is connected to twoobjects and can be operated to quickly release the two objects from eachother. FIG. 14B shows the quick release connecting device according tothe second preferred embodiment of the present invention is connected totwo objects and can be operated to quickly release the two objects fromeach other.

FIG. 14C shows the quick release connecting device according to thesecond preferred embodiment of the present invention is connected to twoobjects and can be operated to quickly release the two objects from eachother.

FIG. 14D shows the quick release connecting device according to thesecond preferred embodiment of the present invention is connected to twoobjects and can be operated to quickly release the two objects from eachother.

FIG. 15 is an exploded perspective view of a quick release connectingdevice according to a third preferred embodiment of the presentinvention.

FIG. 16A is an exploded view of a quick release connecting devicewithout the second push section according to a fourth preferredembodiment of the present invention.

FIG. 16B is an assembled view of a quick release connecting devicewithout the second push section according to a fourth preferredembodiment of the present invention.

FIG. 16C is an assembled top view of a quick release connecting devicewithout the second push section according to a fourth preferredembodiment of the present invention.

FIG. 17 is an assembled top view of a quick release connecting devicewithout the second push section according to a fifth preferredembodiment of the present invention.

FIG. 18 shows a quick release connecting device according to a sixthpreferred embodiment of the present invention.

FIG. 19 shows a quick release connecting device according to a sixthpreferred embodiment of the present invention.

FIG. 20 shows a quick release connecting device according to a seventhpreferred embodiment of the present invention.

FIG. 21 shows a quick release connecting device according to a seventhpreferred embodiment of the present invention.

FIG. 22 shows a quick release connecting device without the second pushsection according to an eighth preferred embodiment of the presentinvention.

FIG. 23 shows different configurations available for a mounting sectionprovided on a second object, which is to be connected to the quickrelease connecting device according to the eighth preferred embodimentof the present invention.

FIG. 24 shows a quick release connecting device without the second pushsection according to a ninth preferred embodiment of the presentinvention that allows for a vertically pivotal floating amount.

FIG. 25 shows the floating fixing member of the quick release connectingdevice without the second push section according to the ninth preferredembodiment of the present invention that allows for a horizontallypivotal floating amount.

FIG. 26 shows the floating fixing member of the quick release connectingdevice without the second push section according to the ninth preferredembodiment of the present invention that allows for a vertically linearfloating amount.

FIG. 27 shows the floating fixing member of the quick release connectingdevice without the second push section according to the ninth preferredembodiment of the present invention that allows for a horizontallylinear floating amount.

FIG. 28 shows a quick release connecting device without the second pushsection according to a tenth preferred embodiment of the presentinvention.

FIG. 29 shows a quick release connecting device without the second pushsection according to an eleventh preferred embodiment of the presentinvention.

FIG. 30 shows a quick release connecting device without the second pushsection according to a twelfth preferred embodiment of the presentinvention.

FIG. 31 shows a quick release connecting device without the second pushsection according to a thirteenth preferred embodiment of the presentinvention.

FIG. 32 shows a quick release connecting device without the second pushsection according to a fourteenth preferred embodiment of the presentinvention.

DETAILED DESCRIPTION OF THE INVENTION

The present invention will now be described with some preferredembodiments thereof and by referring to the accompanying drawings. Forthe purpose of easy to understand, elements that are the same in thepreferred embodiments are denoted by the same reference numerals.

FIGS. 1 to 9 show a quick release connecting device according to a firstpreferred embodiment of the present invention, which is configured toenable limited slide, i.e. to slide within a limited range; and FIGS. 10to 12 show a quick release connecting device according to a secondpreferred embodiment of the present invention, which is configured toenable limited rotation, i.e. to rotate within a limited angle. Asshown, in both of the first and second preferred embodiments, the quickrelease connecting device of the present invention includes an actuatingretainer 1 and a fixing member 2 movably assembled to the actuatingretainer 1. The actuating retainer 1 can be made of a plastic materialor a metal material; it internally defines a receiving space 11 andincludes a retaining section 12 for detachably engaging with a firstobject 5 and at least one first push section 14. The fixing member 2 canbe made of a plastic material or a metal material; it includes a bodyportion 21 and a pivot portion 22 formed on an outer end of the bodyportion 21. The body portion 21 has an inner end movably associated withthe receiving space 11 of the actuating retainer 1; and the pivotportion 22 is located outside the receiving space 11 for detachablyconnecting with a second object 6. The first push section 14 can be aprotrusion outward projected from any side of the actuating retainer 1.As shown in FIG. 13B, by applying a force against the first push section14, the actuating retainer 1 can be moved to release the retainingsection 12 from the first object 5, allowing the second object 6 toseparate from the first object 5. The quick release connecting deviceaccording to the first and the second preferred embodiment of thepresent invention further include pin connection means 3. The pinconnection means 3 enables connection of the body portion 21 of thefixing member 2 to the receiving space 11 of the actuating retainer 1,such that the actuating retainer 1 and the fixing member 2 in the firstand the second preferred embodiment are slidable and rotatable,respectively, relative to each other within a limited range and angle.The quick release connecting device according to the first and thesecond preferred embodiment of the present invention can further includean elastic element 4, which is disposed in the receiving space 11 of theactuating retainer 1, or can be disposed at a selected position, with anend pressed against an inner wall surface of the receiving space 11 andanother opposite end against the body portion 21 of the fixing member 2.The elastic element 4 enables and controls limited sliding or rotationof the actuating retainer 1 and the fixing member 2 relative to eachother, and can elastically push the actuating retainer 1 and the fixingmember 2 back to their original positions.

Please refer to FIG. 5 that is an assembled front view showing a firstvariant of the first preferred embodiment of the present inventionfurther includes a hand push section 24 provided on the body portion 21of the fixing member 2. The hand push section 24 can be a protrusiondownward projected from a lower side of the body portion 21. The handpush section 24 and the first push section 14 are preferably directed tothe same direction. In FIG. 5, the hand push section 24 and the firstpush section 14 are illustrated as directing downward. With thisarrangement, a user may conveniently move the actuating retainer 1toward the fixing member 2 by pressing one finger, such as the thumb,against an axially outer side (i.e. the left side in the drawing) of thefirst push section 14 while pressing another finger, such as the indexfinger, against an axially outer side (i.e. the right side in thedrawing) of the hand push section 24.

Please refer to FIGS. 1 to 4, in which the quick release connectingdevice according to the first preferred embodiment of the presentinvention is shown. As shown, in the first preferred embodiment, theactuating retainer 1 and the fixing member 2 are held to each other viathe pin connection means 3 to allow limited sliding of them relative toeach other, and accordingly, the retaining section 12 is slidablyengaged with or released from the first object 5. More specifically, theactuating retainer 1 is internally provided with a pin connection slot13, which communicates with the receiving space 11, and the pinconnection means 3 is located in the pin connection slot 13. The pinconnection slot 13 can be a long slide slot 131 formed on one or twolateral walls of the receiving space 11. When the pin connection means 3slides in the long slide slot 131, the actuating retainer 1 and thefixing member 2 are brought to slide relative to each other within alimited range. FIGS. 6 to 8 show a second variant of the quick releaseconnecting device according to the first preferred embodiment of thepresent invention. In the second variant, the body portion 21 of thefixing member 2 is formed with a long slide hole 211, which iscommunicable with the receiving space 11, and the pin connection means 3is slidable in the long slide hole 211 to thereby bring the actuatingretainer 1 and the fixing member 2 to slide relative to each otherwithin a limited range.

Please refer to FIGS. 10 to 12, in which the quick release connectingdevice according to the second preferred embodiment of the presentinvention is shown. As shown, in the second preferred embodiment, theactuating retainer 1 and the fixing member 2 are held to each other viathe pin connection means 3 to allow limited rotating of them relative toeach other, and accordingly, the retaining section 12 is rotatablyengaged with or released from the first object 5. More specifically, theactuating retainer 1 is also internally provided with a pin connectionslot 13, which communicates with the receiving space 11, and the pinconnection means 3 is located in the pin connection slot 13. Accordingto an operable embodiment, the pin connection slot 13 can be a locatinghole 132 formed on one or two lateral walls of the receiving space 11.When the pin connection means 3 rotates in the locating hole 132, theactuating retainer 1 and the fixing member 2 are brought to rotaterelative to each other within a limited angle.

In the first preferred embodiment, as can be seen in FIGS. 2 and 4, andin the second preferred embodiment, as can be seen in FIGS. 10 and 12,the pin connection means 3 can include a cylindrical pin 31 integrallyformed with or additionally assembled to the body portion 21 of thefixing member 2, and a pin holding hole 32 formed on the body portion 21of the fixing member 2. The cylindrical pin 31 is inserted in, snappedfitted in, riveted to, expansion-fitted in, glued to or screwed into thepin holding hole 32. Alternatively, the pin connection means 3 caninclude a cylindrical pin 31 integrally formed with or additionallyassembled to the actuating retainer 1, and a pin holding hole 32 formedon the body portion 21 of the fixing member 2. Similarly, thecylindrical pin 31 is inserted in, snapped fitted in, riveted to,expansion-fitted in, glued to or screwed into the pin holding hole 32.By transversely and slidably setting the cylindrical pin 31 of the pinconnection means 3 in the long slide slot 131 as in the first preferredembodiment, or by transversely and rotatably setting the cylindrical pin31 of the pin connection means 3 in the locating hole 132 as in thesecond preferred embodiment, it is able to achieve the limited slidingor the limited rotation, respectively, of the actuating retainer 1 andthe fixing member 2 relative to each other. Alternatively, in the secondvariant of the first preferred embodiment as shown in FIGS. 6 and 7, thepin connection means 3 includes a cylindrical pin 31 integrally formedwith or additionally assembled to the actuating retainer 1 totransversely extend through the receiving space 11, and at least one pinholding hole 32 preferably formed on the actuating retainer 1 tocommunicate with the receiving space 11. Again, the cylindrical pin 31is inserted in, snapped fitted in, riveted to, expansion-fitted in,glued to or screwed into the pin holding hole 32.

Please refer to FIGS. 1 to 12. In both of the first and the secondpreferred embodiment, the retaining section 12 on the actuating retainer1 can be a hook 121 directed leftward (see FIGS. 1-11) or rightward (seeFIG. 12) when viewing in front of the drawings. The hook 121 ispreferably a triangular or wedge shaped hook protruded from theactuating retainer 1, and it includes a beveled guide surface 122 and ahooking surface 123 connected to a lower edge of the beveled guidesurface 122. As can be seen in FIG. 13A, the beveled guide surface 122allows the actuating retainer 1 to be conveniently pressed into thefirst object 5, and the hooking surface 123 can firmly abut on an innerside of the first object 5 after the beveled guide surface 122 has beenmoved into the first object 5.

In the first preferred embodiment shown in FIGS. 1 to 9, the fixingmember 2 preferably includes at least one second push section 23. Asillustrated in the drawings, the second push section 23 can be lyingU-shaped to include two jaws 231 formed on an outer end thereof and aholding cavity 232 defined between the two jaws 231. Referring to FIG.13A, the two jaws 231 and the holding cavity 232 of the second pushsection 23 can be used to hold the first object 5 thereto. When it isdesired to release the second object 6 from the first object 5, simplyturn the quick release connecting device as a lever to push the firstobject 5 out of the second push section 23, and the second object 6 canbe easily released from the first object 5.

In the first preferred embodiment shown in FIGS. 1 to 9, the pivotportion 22 of the fixing member 2 is preferably a protruded block, aretaining block or a through hole integrally formed with or additionallyassembled to the body portion 21. As shown in FIG. 13A, the quickrelease connecting device of the present invention can be movablyconnected to the second object 6 via the protruded block, the retainingblock or the through hole. Preferably, the pivot portion 22 can beinserted in, snapped fitted onto, riveted to, expansion-fitted onto orscrewed to the second object 6, so that the quick release connectingdevice and the second object 6 are rotatably connected to each other.

In the first preferred embodiment shown in FIGS. 1 to 9, the receivingspace 11 in the actuating retainer 1 includes a straight andrectangular-sectioned slide space 111. The inner end of the body portion21 of the fixing member 2 is extended into the slide space 111 and isslidably held therein via the pin connection means 3, so that theactuating retainer 1 and the fixing member 2 are able to slide relativeto each other within a limited range. The elastic element 4 ispreferably a coil spring, as shown in FIGS. 2 to 6, but it can also bean elastic plate or an elastic bar. The elastic element 4 is disposed inthe slide space 111 with an end pressed against an inner wall surface ofthe slide space 111 and another end pressed against the body portion 21,such that the actuating retainer 1 and the fixing member 2 can sliderelative to each other within a limited range and then return to theirrespective original position under the elastic force of the elasticelement 4.

In the second preferred embodiment shown in FIGS. 10 to 12, thereceiving space 11 in the actuating retainer 1 includes an arcuate slidespace 112. The inner end of the body portion 21 of the fixing member 2is extended into the arcuate slide space 112 and is rotatably heldtherein via the pin connection means 3, so that the actuating retainer 1and the fixing member 2 are able to rotate relative to each other withina limited angle. The elastic element 4 is preferably a coil spring, asshown in FIG. 10, but it can also be an elastic plate as shown in FIG.12 or an elastic bar (not shown). The elastic element 4 is disposed inthe arcuate slide space 112 with an end pressed against an inner wallsurface of the slide space 112 and another end pressed against the bodyportion 21, such that the actuating retainer 1 and the fixing member 2can rotate relative to each other within a limited angle and then returnto their respective original position under the elastic force of theelastic element 4.

The first object 5 can be a rack, a chassis, a cabinet for drawers, awindow frame or other objects; and the second object 6 can be a circuitboard, a drawer, a window or other objects. FIG. 13A shows the quickrelease connecting device according to the first preferred embodiment ofthe present invention is movably assembled to the second object 6 viathe pivot portion 22 of the fixing member 2. Meanwhile, the retainingsection 12 of the actuating retainer 1 and the second push section 23 ofthe fixing member 2 are detachably engaged with two opposite sides ofthe first object 5, so that the second object 6 is located in andsidewardly movably connected to the first object 5 via the quick releaseconnecting device. When it is desired to separate the second object 6from the first object 5, as indicated by FIG. 13B, simply push the firstpush section 14 of the actuating retainer 1 with one hand, so that theactuating retainer 1 slides toward the fixing member 2 by a limitedrange to separate the retaining section 12 from one side of the firstobject 5. Then, as shown in FIG. 13C, utilize the principle of leverageto push the quick release connecting device for the fixing member 2 torotate about the pivot portion 22, bringing the second push section 23to push the other side of the first object 5 away from it. At thispoint, the second object 6 can be pulled to slide out of the firstobject 5. Finally, as shown in FIG. 13D, when the second object 6 isseparated from the first object 5 and the first push section 14 is nolonger subjected to a push, the elastic element 4 automatically pushesthe actuating retainer 1 to slide relative to the fixing member 5 backto its original position.

FIG. 14A shows the quick release connecting device according to thesecond preferred embodiment of the present invention is similarlymovably assembled to the second object 6 via the pivot portion 22 of thefixing member 2. Meanwhile, the retaining section 12 of the actuatingretainer 1 and the second push section 23 of the fixing member 2 aredetachably engaged with two opposite sides of the first object 5, sothat the second object 6 is located in and sidewardly movably connectedto the first object 5 via the quick release connecting device. When itis desired to separate the second object 6 from the first object 5, asindicated by FIG. 14B, simply push the first push section 14 of theactuating retainer 1 with one hand, so that the actuating retainer 1rotates relative to the fixing member 2 by a limited angle to separatethe retaining section 12 from one side of the first object 5. Then, asshown in FIG. 14C, utilize the principle of leverage to push the quickrelease connecting device for the fixing member 2 to rotate about thepivot portion 22, bringing the second push section 23 to push the otherside of the first object 5 away from it. At this point, the secondobject 6 can be pulled to slide out of the first object 5. Finally, asshown in FIG. 14D, when the second object 6 is separated from the firstobject 5 and the first push section 14 is no longer subjected to a push,the elastic element 4 automatically pushes the actuating retainer 1 torotate relative to the fixing member 5 back to its original position.

Please refer to FIG. 15, which is an exploded perspective view of aquick release connecting device 7 according to a third preferredembodiment of the present invention. The quick release connecting device7 includes an actuating retainer 71, a fixing member 72 movablyassembled to the actuating retainer 71, and pin connection means 3. Theactuating retainer 71 includes at least one first push section 711, abody portion 712, and a retaining section 713 for detachably engagingwith a first object 5 (not shown in FIG. 15). The fixing member 72internally defines a receiving space 721 and includes a pivot portion722 formed on an outer side of the receiving space 721. The body portion712 is movably received in the receiving space 721, and the pivotportion 722 is used to movably connect to a second object (not shown inFIG. 15). The pin connection means 3 enables connection of the receivingspace 721 of the fixing member 72 to the body portion 712 of theactuating retainer 71, such that the actuating retainer 71 and thefixing member 72 are movable relative to each other within a limitedrange. The quick release connecting device 7 according to the thirdpreferred embodiment of the present invention can further include anelastic element 4, which is disposed in the receiving space 721 with anend pressed against an inner wall surface of the receiving space 721 andanother opposite end against the body portion 712. In this manner, theelastic element 4 enables and controls the limited movement of theactuating retainer 71 and the fixing member 72 relative to each other,and can elastically push the actuating retainer 71 and the fixing member72 back to their original positions.

In addition, the retaining section 713 can be in the form of a hook, arecessed section, a protruded section, a stepped section, a flatsurface, a cambered surface, or a curved surface.

Please refer to FIGS. 16A-16C, which show a quick release connectingdevice 7 without the second push section according to a fourth preferredembodiment of the present invention. In the illustrated fourth preferredembodiment, the pivot portion 722 (please also refer to the pivotportion 722 shown in FIG. 15) has a pivot member 723 movably mountedthereto for coupling with the second object 6. The pivot member 723includes a shaft 724 movably assembled thereto. The pivot member 723 (orthe fixing member 72) and the shaft 724 are assembled together via asecond pin connection means 725. An elastic element 73 is fitted onaround the pivot portion 722 or the pivot member 723 with an end pressedagainst (or inserted into) the pivot member 723 (or a structurecorresponding to the pivot member 723, such as a hole or a slot, notshown in the drawing) and another end pressed against the fixing member72 of the quick release connecting device 7. The pivot member 723includes a coupling section 726 for screwing onto, snap-fitted on,expansion-fitted on, welded to or riveted to the second object 6.Further, the fixing member 72 includes a limiting section 727 and thepivot member 723 includes a corresponding limiting section 728. When thefixing member 72 is moved or rotated, the limiting section 727 and thecorresponding limiting section 728 can limit or stop each other at aspecific location. The actuating retainer 71 or the body portion 712thereof includes a shoulder section 714 for limiting a distance by whichthe actuating retainer 71 or the body portion 712 is allowed to moveinto the receiving space 721. Alternatively, the shaft 724 can beintegrally formed with the pivot member 723 or the pivot portion 722, orcan be fixedly assembled to the pivot member 723 or the pivot portion722 (not shown).

The limiting section 727 or the corresponding limiting section 728 canbe a beveled member, a flat member, a stepped member, a recessed member,or a protrusion. When the quick release connecting device 7 is turned bya target angle, the limiting section 727 and the corresponding limitingsection 728 stop or limit each other and the quick release connectingdevice 7 can not be moved or rotated any further. The target angle canbe, for example, ranged from 15 to 345 degrees.

Further, being driven by the elastic element 73, which can be a springproviding a twisting force, the quick release connecting device 7 canautomatically turn within an angle limited by between the limitingsection 727 and the corresponding limiting section 728 to achieve anelastic restoring motion, or an elastic releasing motion, or an elasticfastening motion.

The quick release connecting device 7 can also be driven by the elasticelement 73, which provides a twisting force, to float within a rangelimited by between the limiting section 727 and the correspondinglimiting section 728, including horizontally linear floating, verticallylinear floating, or pivotal floating. Herein, a horizontally linearfloating amount and a vertically linear floating amount of the quickrelease connecting device 7 refer to a distance by which the fixingmember 72 is horizontally and vertically linearly movable relative tothe pivot member 723, respectively; and a pivotal floating amount of thequick release connecting device 7 refers to an angle or a distance bywhich the fixing member 72 or the actuating retainer 71 is pivotallyturnable between two different angularly spaced positions (not shown inFIG. 16).

In addition, the first push section 711 can be in the form of a post, ahole, a recessed member, a protrusion, a retaining member, a steppedmember, an anti-slide member, a flat member, a cambered member, or ahooking member.

Please refer to FIG. 17, which shows a quick release connecting device 7without the second push section according to a fifth preferredembodiment of the present invention. In the illustrated fifth preferredembodiment, the actuating retainer 71 of the quick release connectingdevice 7 internally defines a receiving space 710, and the fixing member72 includes a body portion 720 movably received in the receiving space710; and the pin connection means 3 enables connection of the receivingspace 710 of the actuating retainer 71 to the body portion 720 of thefixing member 72, such that the actuating retainer 71 and the fixingmember 72 are movable relative to each other within a limited range.

Please refer to FIGS. 18 and 19, which show a quick release connectingdevice 7 according to a sixth preferred embodiment of the presentinvention. In the illustrated sixth preferred embodiment, the firstobject 5 and the second object 6 can be integrally formed, assembledtogether, or two independent objects; the second object 6 can beassembled to a fourth object 9 to form a modular object; or the quickrelease connecting device 7 and the second object 6 can be assembledtogether to form a module with an elastic element 73 a pressing an endagainst the fixing member 72 of the quick release connecting device 7and another end against the second object 6, such that the fixing member72 under a spring force of the elastic element 73 a is eitherautomatically sprung back to its original position or limited to a fixedposition. The fixing member 72 includes a second push section 729 havinga first push part 7291 and a second push part 7292. The first push part7291 or the second push part 7292 can be pressed against a third object8. The pressing of the second push section 729 against the third object8 causes a lever displacement, a rotational displacement or a limitingdisplacement of the quick release connecting device 7, so as to release,fasten, forward move or backward move the quick release connectingdevice 7. Alternatively, the first push part 7291 or the second pushpart 7292 can also be displaced by pressing them against the thirdobject 8. The second object 6 includes a limiting section 61 forlimiting a distance or an angle by which the second push section 729 canbe moved or rotated, respectively. Or, in practical use of the quickrelease connecting device 7 according to the sixth preferred embodiment,the first push part 7291 and the second push part 7292 can be firstsubjected to a rotational or a non-rotational displacement to be locatedat a proper position in front of or behind or at a middle of a positionon the third object 8 that is to be pressed against or interfered with,so that the first push part 7291 or the second push part 7292 of thesecond push section 729 having been rotationally or non-rotationallydisplaced can press against or interfere with the third object 8,enabling the quick release connecting device 7 to be released, fastened,forward moved or backward moved due to a lever displacement, arotational displacement or a limiting displacement thereof.

In addition, the second push section 729 can be in the form of aprotruded section, a recessed section, a through bore, a steppedsection, a flat section, a cambered section or a curved section.

Further, when operating the first push section 711 of the actuatingretainer 71 to compress the first push section 711 toward the fixingmember 72, an overall travel of the quick release connecting device 7 isshortened, enabling the retaining section 713 to separate from the firstobject 5 while pulls the second object 6.

Please refer to FIGS. 20 and 21, which show a quick release connectingdevice 7 according to a seventh preferred embodiment of the presentinvention. In the illustrated seventh preferred embodiment, theactuating retainer 71 of the quick release connecting device 7 defines areceiving space 710, and the fixing member 72 includes a body portion720 movably received in the receiving space 710; and the pin connectionmeans 3 enables connection of the receiving space 710 of the actuatingretainer 71 to the body portion 720 of the fixing member 72, such thatthe actuating retainer 71 and the fixing member 72 are movable relativeto each other within a limited range. Further, the elastic element (notshown) is disposed in the receiving space 710 with an end of the elasticelement pressed against an inner wall surface of the receiving space 710and another opposite end against the body portion 720. In this manner,the elastic element enables and controls the limited movement of theactuating retainer 71 and the fixing member 72 relative to each other,and can elastically push the actuating retainer 71 and the fixing member72 back to their original positions. That is, the seventh preferredembodiment can achieve the same effect as the fifth preferredembodiment.

Please refer to FIG. 22, which shows a quick release connecting device 7without the second push section according to an eighth preferredembodiment of the present invention, and to FIG. 23, which showsdifferent configurations available for a mounting section 62 provided ona second object 6, which is to be connected to the quick releaseconnecting device 7 according to the eighth preferred embodiment of thepresent invention. In the illustrated eighth preferred embodiment, thesecond object 6 can be a printed circuit board (PCB), a metal chassis,or a plastic chassis, and is provided with a mounting section 62 and acorresponding directional section 63. According to the eighth preferredembodiment, the mounting section 62 can be differently configured as apost or a hole. In the illustrated eighth preferred embodiment, thepivot member 723 of the quick release connecting device 7 is providedwith a coupling section 7231 for coupling with the mounting section ofthe second object 6 and a directional section 7232 for engaging with thecorresponding directional section 63 of the second object 6 to limit thepivot member 723 to specific directions or to restrict the pivot member723 from rotating or moving.

According to the eighth preferred embodiment, the coupling section 7231can be in the form of a threaded member, a male fastening element, afemale fastening element, a protrusion, a recessed member, a springplate, a groove, a plate member, a post, a hooking member, a nut, aretaining member, or a hole; the directional section 7232 or thecorresponding directional section 63 can be in the form of a hole, agroove, a threaded member, a male fastening element, a female fasteningelement, a protrusion, a recessed member, a spring plate, a platemember, a nut, a post, a hooking member, or a retaining member; and themounting section 62 can be in the form of a threaded member, a malefastening element, a female fastening element, a spring plate, a groove,a protrusion, a recessed member, a plate member, a post, a hookingmember, a nut, a retaining member, or a hole. In the illustrated eighthpreferred embodiment, the mounting section 62 is in the form of acylindrical hole.

Alternatively, the mounting section 62 can be an independent retainingmember or coupling member for engaging with the second object 6 and thequick release connecting device 7. In this case, the independentmounting section 62 can be in the form of a nut as shown in FIG. 23(a),an elastic retaining member as shown in FIG. 23(b), a post as shown inFIG. 23(c), a screw as shown in FIG. 23(d), or a male fastening elementas shown in FIG. 23(e).

Please refer to FIGS. 24 to 27, in which a quick release connectingdevice 7 without the second push section and having a floating fixingmember 72 according to a ninth preferred embodiment of the presentinvention is shown. According to the ninth preferred embodiment, thepivot member 723 of the quick release connecting device 7 is connectedto the second object 6, such that a floating amount is allowable betweenthe quick release connecting device 7 and the second object 6, betweenthe pivot portion 722 and the pivot member 723, between the fixingmember 72 and the second object 6, between the fixing member 72 and thepivot member 723, or between different angular positions of the fixingmember 72. The floating amount can be a vertically pivotal floatingamount “a” as shown in FIG. 24; a horizontally pivotal floating amount“b” as shown in FIG. 25; a vertically linear floating amount “c” asshown in FIG. 26; or a horizontally linear floating amount “d” as shownin FIG. 27. With the allowable floating amount “a”, “b”, “c” or “d”, thequick release connecting device 7 can be pivotally moved relative to thesecond object 6 in a vertical direction, be pivotally moved relative tothe second object 6 in a horizontal direction, be linearly moved upwardand downward relative to the second object 6 in a vertical direction, orbe linearly moved forward and backward relative to the second object 6in a horizontal direction, respectively. Preferably, the floating amount“a”, “b”, “c” or “d” is a distance ranged from 0.01 mm to 500 mm, andthe floating amount “a” or “b” can be alternately an angle ranged from0.1 to 345 degrees.

Please refer to FIG. 28, which shows a quick release connecting device 7without the second push section according to a tenth preferredembodiment of the present invention. In the tenth preferred embodiment,the fixing member 72 of the quick release connecting device 7 includes alimiting section 727, and the second object 6 is provided with acorresponding limiting section 65. When the fixing member 72 is moved orturned, the limiting section 727 and the corresponding limiting section65 can limit or stop each other at a specific location.

Please refer to FIG. 29, which shows a quick release connecting device 7without the second push section according to an eleventh preferredembodiment of the present invention. In the eleventh preferredembodiment, the pivot member 723 is movably mounted to the pivot portion722 of the fixing member 72, and the pivot member 723 has a weldablesurface 7233, which can be heated and welded to the second object 6. Theweldable surface 7233 can be formed of tin, nickel, copper, chrome, ironor zinc; and the second object 6 can be a printed circuit board (PCB).Further, in this case, the second object 6 also has a weldable surface(not shown).

Please refer to FIG. 30, which shows a quick release connecting devicewithout the second push section according to a twelfth preferredembodiment of the present invention. In the twelfth preferredembodiment, the pivot member 723 is movably mounted to the pivot portion722 of the fixing member 72, and the pivot member 723 has a materialretaining space formed thereon. When the pivot member 723 ispress-fitted onto the second object 6 under an external force appliedthereto, some material of the second object 6 is forced or flows intothe material retaining space 7234. In this case, the pivot member 723has a material hardness higher than that of the second object 6, and theexternal force can be applied to the pivot member 723 by a mold 90.

Please refer to FIG. 31, which shows a quick release connecting devicewithout the second push section according to a thirteenth preferredembodiment of the present invention. In the thirteenth preferredembodiment, the pivot member 723 is movably mounted to the pivot portion722 of the fixing member 72, and the pivot member 723 has a portion thatis deformable under an external force applied thereto by a mold 90, sothat the deformed portion of the pivot member 723 is abutted on orinterfered with the second object 6.

Please refer to FIG. 32, which shows a quick release connecting devicewithout the second push section according to a fourteenth preferredembodiment of the present invention. In the fourteenth preferredembodiment, the pivot member 723 is movably mounted to the pivot portion722 of the fixing member 72, and an elastic member 74, afriction-increasing member or a friction-decreasing member is disposedbetween the fixing member 72 and the pivot portion 722, between thefixing member 72 and the pivot member 723, between the pivot portion 722and the second object 6, between the pivot portion 722 and the pivotmember 723, between pivot member 723 and the second object 6, or betweenthe fixing member 72 and the second object 6. The elastic member 74, thefriction-increasing member or the friction-decreasing member can be inthe form of a flat spring, a coil spring, an elastic bar, a torsionspring, a pillar, a plate member, a smooth flat member, or asmooth-surface member. The elastic member 74 provides a torsional forceor a frictional force against the quick release connecting device 7 whenthe same is being moved, so as to limit the moving speed or the movingforce of the quick release connecting device 7, or to limit or increasethe vertically pivotal floating amount, the horizontally pivotalfloating amount, the vertically linear floating amount, or thehorizontally linear floating amount of the quick release connectingdevice 7.

The present invention has been described with some preferred embodimentsthereof and it is understood that the preferred embodiments are onlyillustrative and not intended to limit the present invention in any wayand many changes and modifications in the described embodiments can becarried out without departing from the scope and the spirit of theinvention that is intended to be limited only by the appended claims.

What is claimed is:
 1. A quick release connecting device, comprising anactuating retainer and a fixing member movably assembled to theactuating retainer; the fixing member including a pivot portion and apivot member movably mounted to the pivot portion; and the pivot memberbeing coupled with a second object.
 2. The quick release connectingdevice as claimed in claim 1, wherein the fixing member includes alimiting section and the pivot member includes a corresponding limitingsection; and the limiting section and the corresponding limiting sectionlimiting or stopping each other at a specific location when the fixingmember is moved or rotated.
 3. The quick release connecting device asclaimed in claim 1, wherein one of the pivot member and the pivotportion includes a shaft; the shaft being differently connectable to thepivot member or the pivot portion in one of the following manners,including being movably assembled to, integrally formed with, andfixedly assembled to the pivot member or the pivot portion; and thepivot member, the pivot portion or the fixing member being connected tothe shaft via a second pin connection means in the case the shaft isassembled to the pivot member or the pivot portion.
 4. The quick releaseconnecting device as claimed in claim 1, wherein the fixing member, thepivot portion or the pivot member has an elastic element fitted thereon;two ends of the elastic element being separately pressed against thepivot member and the fixing member of the quick release connectingdevice or separately pressed against the fixing member of the quickrelease connecting device and the second object, such that the fixingmember under a spring force of the elastic element is eitherautomatically sprung back to its original position or limited to a fixedposition.
 5. The quick release connecting device as claimed in claim 1,wherein the fixing member includes a limiting section and the secondobject includes a corresponding limiting section; and the limitingsection and the corresponding limiting section limiting or stopping eachother at a specific location when the fixing member is moved or rotated.6. The quick release connecting device as claimed in claim 1, whereinthe pivot member has a weldable surface, which can be heated and weldedto the second object.
 7. The quick release connecting device as claimedin claim 1, wherein the pivot member has a portion that is deformableunder an external force applied thereto, so that the deformed portion ofthe pivot member is abutted on or interfered with the second object. 8.The quick release connecting device as claimed in claim 1, furthercomprising any one of an elastic member, a friction-increasing memberand a friction-decreasing member; the elastic member, thefriction-increasing member or the friction-decreasing member beingoptionally disposed between the fixing member and the pivot portion,between the fixing member and the pivot member, between the pivotportion and the second object, between the pivot portion and the pivotmember, between pivot member and the second object, or between thefixing member and the second object.
 9. A quick release connectingdevice, comprising an actuating retainer and a fixing member movablyassembled to the actuating retainer; the fixing member including a pivotportion and a pivot member movably mounted to the pivot portion; and thepivot member being coupled with a second object; one of the pivotportion and the pivot member including a shaft, and the shaft beingdifferently connectable to the pivot member or the pivot portion in oneof the following manners, including being movably assembled to,integrally formed with, and fixedly assembled to the pivot member or thepivot portion.
 10. The quick release connecting device as claimed inclaim 9, wherein the fixing member includes a limiting section and thepivot member includes a corresponding limiting section; and the limitingsection and the corresponding limiting section limiting or stopping eachother at a specific location when the fixing member is moved or rotated.11. The quick release connecting device as claimed in claim 9, whereinthe pivot member, the pivot portion or the fixing member is connected tothe shaft via a second pin connection means in the case the shaft isassembled to the pivot member or the pivot portion.
 12. The quickrelease connecting device as claimed in claim 9, wherein the fixingmember, the pivot portion or the pivot member has an elastic elementfitted thereon; two ends of the elastic element being separately pressedagainst the pivot member and the fixing member of the quick releaseconnecting device or separately pressed against the fixing member of thequick release connecting device and the second object, such that thefixing member under a spring force of the elastic element is eitherautomatically sprung back to its original position or limited to a fixedposition.
 13. The quick release connecting device as claimed in claim 9,wherein the fixing member includes a limiting section and the secondobject includes a corresponding limiting section; and the limitingsection and the corresponding limiting section limiting or stopping eachother at a specific location when the fixing member is moved or rotated.14. The quick release connecting device as claimed in claim 9, whereinthe pivot member has a weldable surface, which can be heated and weldedto the second object.
 15. The quick release connecting device as claimedin claim 9, wherein the pivot member has a portion that is deformableunder an external force applied thereto, so that the deformed portion ofthe pivot member is abutted on or interfered with the second object. 16.The quick release connecting device as claimed in claim 9, furthercomprising any one of an elastic member, a friction-increasing memberand a friction-decreasing member; the elastic member, thefriction-increasing member or the friction-decreasing member beingoptionally disposed between the fixing member and the pivot portion,between the fixing member and the pivot member, between the pivotportion and the second object, between the pivot portion and the pivotmember, between pivot member and the second object, or between thefixing member and the second object.
 17. A quick release connectingdevice, comprising an actuating retainer and a fixing member movablyassembled to the actuating retainer; the fixing member including a pivotportion and a pivot member movably mounted to the pivot portion; suchthat a floating amount is allowable between the quick release connectingdevice and the second object, between the pivot portion and the pivotmember, between the fixing member and the second object, between thefixing member and the pivot member, or between different angularpositions of the fixing member.
 18. The quick release connecting deviceas claimed in claim 17, wherein the fixing member includes a limitingsection and the pivot member includes a corresponding limiting section;and the limiting section and the corresponding limiting section limitingor stopping each other at a specific location when the fixing member ismoved or rotated.
 19. The quick release connecting device as claimed inclaim 17, wherein one of the pivot member and the pivot portion includesa shaft; the shaft being differently connectable to the pivot member orthe pivot portion in one of the following manners, including beingmovably assembled to, integrally formed with, and fixedly assembled tothe pivot member or the pivot portion; and the pivot member, the pivotportion or the fixing member being connected to the shaft via a secondpin connection means in the case the shaft is assembled to the pivotmember or the pivot portion.
 20. The quick release connecting device asclaimed in claim 17, wherein the fixing member, the pivot portion or thepivot member has an elastic element fitted thereon; two ends of theelastic element being separately pressed against the pivot member andthe fixing member of the quick release connecting device or separatelypressed against the fixing member of the quick release connecting deviceand the second object, such that the fixing member under a spring forceof the elastic element is either automatically sprung back to itsoriginal position or limited to a fixed position.
 21. The quick releaseconnecting device as claimed in claim 17, wherein one of the pivotportion and the pivot member including a shaft, and the shaft beingdifferently connectable to the pivot member or the pivot portion in oneof the following manners, including being movably assembled to,integrally formed with, and fixedly assembled to the pivot member or thepivot portion.
 22. The quick release connecting device as claimed inclaim 17, wherein the fixing member includes a limiting section and thesecond object includes a corresponding limiting section; and thelimiting section and the corresponding limiting section limiting orstopping each other at a specific location when the fixing member ismoved or rotated.
 23. The quick release connecting device as claimed inclaim 17, wherein the pivot member has a weldable surface, which can beheated and welded to the second object.
 24. The quick release connectingdevice as claimed in claim 17, wherein the pivot member has a portionthat is deformable under an external force applied thereto, so that thedeformed portion of the pivot member is abutted on or interfered withthe second object.
 25. The quick release connecting device as claimed inclaim 17, further comprising any one of an elastic member, afriction-increasing member and a friction-decreasing member; the elasticmember, the friction-increasing member or the friction-decreasing memberbeing optionally disposed between the fixing member and the pivotportion, between the fixing member and the pivot member, between thepivot portion and the second object, between the pivot portion and thepivot member, between pivot member and the second object, or between thefixing member and the second object.
 26. The quick release connectingdevice as claimed in claim 17, wherein the floating amount allowablebetween the quick release connecting device and the second object,between the pivot portion and the pivot member, between the fixingmember and the second object, between the fixing member and the pivotmember, or between different angular positions of the fixing member is avertically pivotal floating amount.
 27. The quick release connectingdevice as claimed in claim 17, wherein the floating amount allowablebetween the quick release connecting device and the second object,between the pivot portion and the pivot member, between the fixingmember and the second object, between the fixing member and the pivotmember, or between different angular positions of the fixing member is ahorizontally pivotal floating amount.
 28. The quick release connectingdevice as claimed in claim 17, wherein the floating amount allowablebetween the quick release connecting device and the second object,between the pivot portion and the pivot member, between the fixingmember and the second object, between the fixing member and the pivotmember, or between different angular positions of the fixing member is avertically linear floating amount.
 29. The quick release connectingdevice as claimed in claim 17, wherein the floating amount allowablebetween the quick release connecting device and the second object,between the pivot portion and the pivot member, between the fixingmember and the second object, between the fixing member and the pivotmember, or between different angular positions of the fixing member is ahorizontally linear floating amount.